scan to list working fine

test/receipt_parser_test.dart

@@ -0,0 +1,154 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:receipity/services/receipt_parser.dart';
+
+void main() {
+  test('parses name and price at the end of a line', () {
+    final items = ReceiptParser.parse('''
+MILK 1.50
+BREAD 2.00
+TOTAL 3.50
+CASH 5.00
+CHANGE 1.50
+''');
+
+    expect(items.map((item) => item.name), ['MILK', 'BREAD']);
+    expect(items.map((item) => item.price), [1.50, 2.00]);
+  });
+
+  test('uses the next line when quantity and total are split', () {
+    final items = ReceiptParser.parse('''
+EGGS
+2 X 1.50 3.00
+BUTTER 2.25
+SUBTOTAL 5.25
+''');
+
+    expect(items, hasLength(2));
+    expect(items[0].name, 'EGGS');
+    expect(items[0].price, 3.00);
+    expect(items[0].quantity, 2);
+    expect(items[0].unitPrice, 1.50);
+    expect(items[1].name, 'BUTTER');
+    expect(items[1].price, 2.25);
+  });
+
+  test('computes a total when the quantity line has no line total', () {
+    final items = ReceiptParser.parse('''
+BROODSTICKS OLIJF
+4 X 1,25
+''');
+
+    expect(items, hasLength(1));
+    expect(items.single.name, 'BROODSTICKS OLIJF');
+    expect(items.single.price, 5.00);
+    expect(items.single.quantity, 4);
+  });
+
+  test('drops discount rows and Dutch totals', () {
+    final items = ReceiptParser.parse('''
+AARDBEIEN 7,98
+ACTIE AARDBEIEN -2,00
+Totaal 82,99
+VISA 82,99
+Totaal korting: -2,21
+''');
+
+    expect(items.map((item) => item.name), ['AARDBEIEN']);
+    expect(items.single.price, 7.98);
+  });
+
+  test('pairs a name column with a price column from OCR', () {
+    final items = ReceiptParser.parse(_jumboColumnOcr);
+
+    expect(items.map((item) => item.name), isNot(contains('OMSCHRIJVING')));
+    expect(items.map((item) => item.name), isNot(contains('Totaal')));
+    expect(items.map((item) => item.name), isNot(contains('ACTIE AARDBEIEN')));
+    expect(items.first.name, 'JUMBO BIO VOLLE MELK');
+    expect(items.first.price, 2.09);
+
+    final eggs = items.firstWhere((item) => item.name.startsWith('BIOLOGISCH EI'));
+    expect(eggs.quantity, 2);
+    expect(eggs.price, 5.58);
+
+    expect(items.last.name, 'JUMBO PREM LUIER M4');
+    expect(items.last.price, 6.20);
+    expect(items, hasLength(26));
+  });
+}
+
+const _jumboColumnOcr = '''
+OMSCHRIJVING
+JUMBO BIO VOLLE MELK
+JUMBO BIO BLOEMKOOLS
+JUMBO BIO ROM TOMAAT
+JUMBO BIO SIZ LINZEN
+JUMBO BIO SIZ CHAMP.
+JUMBO FRITO
+BIOLOGISCH EI 6 ST
+2 X 2,79
+KABELJAUW GROENE KR
+JUMBO BIO KIPDI JFILE
+JUMBO RASP MOZZAREL
+JUMBO KAASBL BELEGEN
+GALBAN MOZZAREL MAXI
+TORTELL DROGE HAM
+PATURATIN NATURAL
+PAPRIKA ROOD
+BIO COTTAGE CHEESE
+FP BIO JB PLAK
+BIO VASTKOKEND AARD
+2 X 1,99
+AARDBEIEN
+2 X 3,99
+ACTIE AARDBEIEN
+BROCCOLI
+PREI
+CITROENEN
+KOMKOMMER
+2 X 0,95
+ACTIE KOMKOMMER
+BOL KNOFLOOK
+BROODSTICKS OLIJF
+4 X 1,25
+Krui dernhof 26
+1112 PS Diemen
+0206904928
+www.jumbo. com
+JUMBO PREM LUIER M4
+Totaal
+Betaal d:
+VISA
+Totaal korting:
+BEDRAG IN €
+2,09
+2,39
+2,89
+2,89
+2,39
+0,87
+5,58
+9,54
+4.74
+2,49
+3,89
+2,77
+2,49
+2,59
+1,09
+0,99
+4,12
+3,98
+7,98
+-2,00
+1,24
+0,69
+2,11
+1,90
+-0,21
+1,79
+5,00
+6,20
+82,99
+82,99
+-2,21
+''';